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spmi: pmic-arb: add support for irq_get_irqchip_state

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Reviewed-by: Andy Gross <agross@codeaurora.org>
Signed-off-by: Courtney Cavin <courtney.cavin@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Tested-by: Tim Bird <tim.bird@sonymobile.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Courtney Cavin 2015-07-30 10:53:54 -07:00 committed by Greg Kroah-Hartman
parent a9fce37481
commit 60be42306f
1 changed files with 17 additions and 0 deletions
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17
drivers/spmi/spmi-pmic-arb.c
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@ -575,6 +575,22 @@ static int qpnpint_irq_set_type(struct irq_data *d, unsigned int flow_type)
return 0;
}
static int qpnpint_get_irqchip_state(struct irq_data *d,
enum irqchip_irq_state which,
bool *state)
{
u8 irq = d->hwirq >> 8;
u8 status = 0;
if (which != IRQCHIP_STATE_LINE_LEVEL)
return -EINVAL;
qpnpint_spmi_read(d, QPNPINT_REG_RT_STS, &status, 1);
*state = !!(status & BIT(irq));
return 0;
}
static struct irq_chip pmic_arb_irqchip = {
.name = "pmic_arb",
.irq_enable = qpnpint_irq_enable,
@ -582,6 +598,7 @@ static struct irq_chip pmic_arb_irqchip = {
.irq_mask = qpnpint_irq_mask,
.irq_unmask = qpnpint_irq_unmask,
.irq_set_type = qpnpint_irq_set_type,
.irq_get_irqchip_state = qpnpint_get_irqchip_state,
.flags = IRQCHIP_MASK_ON_SUSPEND
| IRQCHIP_SKIP_SET_WAKE,
};